The document discusses 25 negative body language habits to avoid such as holding objects in front of your body, checking the time, leaning away from people, crossing your arms, slouching your shoulders, and fidgeting with hands or feet. Most body language is subconscious but can negatively impact how people perceive you. With awareness and practice of positive habits like making eye contact, facing people directly, and keeping an open posture, one can overcome negative body language.